Home / 9,205,068.72-12,703,079.12-5,075,248.08

Finding the Fourth Proportional to 9,205,068.72, 12,703,079.12 and 5,075,248.08

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Solution

The fourth proportional to 9,205,068.72, 12,703,079.12 and 5,075,248.08 is: 7,003,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205,068.72 : 12,703,079.12 = 5,075,248.08 : x
  2. Step 2: Convert to fraction form
    9,205,068.72/12,703,079.12 = 5,075,248.08/x
  3. Step 3: Cross multiply
    9,205,068.72x = 12,703,079.12 × 5,075,248.08
  4. Step 4: Simplify right side
    9,205,068.72x = 64,471,277,913,868.09
  5. Step 5: Solve for x
    x = 64,471,277,913,868.09/9,205,068.72
  6. Step 6: Final answer
    x = 7,003,888.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.